fix: fix scrollbar thumb color default is transparent

- close ng-alain/ng-alain#2476

package.json

@@ -78,7 +78,7 @@
     "extend": "^3.0.2",
     "file-saver": "^2.0.5",
     "ng-github-button": "^17.0.0",
-    "ng-zorro-antd": "^17.1.0",
+    "ng-zorro-antd": "^17.2.0",
     "@angular/cdk": "^17.1.0",
     "ngx-countdown": "^17.1.1",
     "ngx-highlight-js": "^17.0.0",

packages/theme/docs/global.en-US.md

@@ -53,7 +53,7 @@ title: Global Parameters
 | `@scrollbar-width` | `6px` | Scroll bar width |
 | `@scrollbar-height` | `6px` | Scroll bar height |
 | `@scrollbar-track-color` | `rgba(0, 0, 0, 0.3)` | Scrollbar track color |
-| `@scrollbar-thumb-color` | `#6e6e6e` | Scrollbar thumb color |
+| `@scrollbar-thumb-color` | `transparent` | Scrollbar thumb color |
 | `@scrollbar-table-enabled` | `false` | Enable landscaping scrollbars of nz-table |
 | `@rtl-enabled` | `false` | Wheter support RTL |
 | `@enabled-util-align` | `true` | Whether to enable tools align |

packages/theme/docs/global.zh-CN.md

@@ -53,7 +53,7 @@ title: 全局参数
 | `@scrollbar-width` | `6px` | 美化滚动条宽度 |
 | `@scrollbar-height` | `6px` | 美化滚动条高度 |
 | `@scrollbar-track-color` | `rgba(0, 0, 0, 0.3)` | 美化滚动条的轨道颜色 |
-| `@scrollbar-thumb-color` | `#6e6e6e` | 美化滚动条小方块颜色 |
+| `@scrollbar-thumb-color` | `transparent` | 美化滚动条小方块颜色 |
 | `@scrollbar-table-enabled` | `false` | 启用美化表格滚动条 |
 | `@rtl-enabled` | `false` | 是否支持 RTL |
 | `@enabled-util-align` | `true` | 是否启用工具类 align |

packages/theme/system/theme-default.less

@@ -146,7 +146,7 @@
 @scrollbar-width:           6px;
 @scrollbar-height:          6px;
 @scrollbar-track-color:     rgba(0, 0, 0, 0.3);
-@scrollbar-thumb-color:     #6e6e6e;
+@scrollbar-thumb-color:     transparent;
 @scrollbar-table-enabled:   false;
 
 // type

packages/theme/system/utils/_scrollbar.less

@@ -39,10 +39,12 @@
 }
 
 // scrollbar
-// TODO: (.nz-measure-scrollbar-placeholder) https://github.com/NG-ZORRO/ng-zorro-antd/pull/2617
-.scrollbar-mixin(
-  ~'body, @{scrollbar-prefix}, .@{ant-prefix}-dialog-wrap, .@{ant-prefix}-drawer-body, .@{ant-prefix}-drawer-wrapper-body, .@{ant-prefix}-anchor-wrapper, textarea.@{ant-prefix}-input'
-);
+.scrollbar-default-mixin(@enabled) when(@enabled=true) {
+  .scrollbar-mixin(
+    ~'body, @{scrollbar-prefix}, .@{ant-prefix}-dialog-wrap, .@{ant-prefix}-drawer-body, .@{ant-prefix}-drawer-wrapper-body, .@{ant-prefix}-anchor-wrapper, textarea.@{ant-prefix}-input'
+  );
+}
+.scrollbar-default-mixin(@scrollbar-enabled);
 
 // table
 .scrollbar-table-mixin(@enabled) when(@enabled=true) {

src/styles/theme.less

@@ -7,3 +7,5 @@
 @site-header-box-shadow: 0 2px 8px rgba(240, 241, 242, 65);
 @site-markdown-code-bg: #f2f4f5;
 @site-mobile: 1200px;
+
+@scrollbar-enabled: false;

yarn.lock

@@ -6984,7 +6984,7 @@ __metadata:
     ng-github-button: "npm:^17.0.0"
     ng-less-javascript-enabled-patch: "npm:17.0.2"
     ng-packagr: "npm:^17.1.0"
-    ng-zorro-antd: "npm:^17.1.0"
+    ng-zorro-antd: "npm:^17.2.0"
     ngx-countdown: "npm:^17.1.1"
     ngx-highlight-js: "npm:^17.0.0"
     ngx-tinymce: "npm:^17.0.0"
@@ -12448,9 +12448,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ng-zorro-antd@npm:^17.1.0":
-  version: 17.1.0
-  resolution: "ng-zorro-antd@npm:17.1.0"
+"ng-zorro-antd@npm:^17.2.0":
+  version: 17.2.0
+  resolution: "ng-zorro-antd@npm:17.2.0"
   dependencies:
     "@angular/cdk": "npm:^17.0.0"
     "@ant-design/icons-angular": "npm:^17.0.0"
@@ -12463,7 +12463,7 @@ __metadata:
     "@angular/forms": ^17.0.0
     "@angular/platform-browser": ^17.0.0
     "@angular/router": ^17.0.0
-  checksum: adfa1258912046dc171b1834756dca7149a382f58832dc37499f257d1d4456d257309be8161254eae883c7d3f87911e77f7738ed14491d596543a75d72fd49cb
+  checksum: d73a14650bb9f635bf6fe2e51e1c302052b243d3ad660fce5201fcb3d4da60c554de57a5c281ea11b150b6009ec2bd8c78cff016d8281841b1518eceeeb32126
   languageName: node
   linkType: hard